FormerMechanic74

FormerMechanic74

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@FormerMechanic74

off grid living enthusiast from London.

London Joined Mar 2024
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Overview Reviews (0) Posts (15)
FS: BMS boards, nickel strip and solar panel brackets.
@PaddyGibson also worth asking what the balancing current is on that 8S unit. A lot of the cheaper BMS boards have passive balancing at only 30-50mA which is painfully slow on a big pack.
in Solar Panels & Controllers 4 days ago
Pytes V16 (16kWh) vs 3x Pylontech US5000 (14.4kWh) - Which one for a new Victron setup?
@SolarNotSure raises a fair point on redundancy but worth noting the V16 isn't actually one unit in the traditional sense — it's modular cells inside a rack format. That said, I'd lean 3x US5000...
in Batteries & BMS 4 days ago
Victron Multiplus tripping on startup with my old chest freezer — normal?
Had exactly this with an old Larder fridge I picked up years back. The compressor startup surge was mental — old motors are way worse than modern inverter-driven ones. Few things worth...
in Inverters & Chargers 3 weeks ago
Can my lynx bmx ng turn off my inverter smart via ve.direct?
Been thinking about this one for a while so figured I'd throw it out there. Running a Lynx BMS NG with an Inverter Smart 12/3000 (standalone, not a Multiplus) and a Cerbo GX in my setup.
in Inverters & Chargers 3 weeks ago
Victron Orion 30A keeping my leisure battery warm on long motorway runs but struggling on short trips — normal?
Had exactly this with mine for the first couple of years. Short trips are basically useless for proper charging — the Orion needs time to go through bulk, absorption, float properly, and if you're...
in DC-DC Chargers 1 month ago
Anyone else using old UPS batteries for a small 12v setup?
@GafferTapeKing that parallel wiring is where it really goes wrong — any imbalance in internal resistance and one cell just starts dragging the others down. Ran similar kit in my workshop setup...
in On a Budget 1 month ago
Anyone running lithium on a narrowboat? Tempted to ditch the AGMs
@Paddy78 done exactly this on my old widebeam a few years back. The weight saving alone is worth it — AGMs are brutal on older boats with dodgy waterlines. One thing people don't mention enough:...
in Marine & Boat 1 month ago thumb_up 1
Anyone else using a Victron Cerbo GX with a non-Victron inverter — how are you handling the monitoring gap?
Had this exact headache when I bolted a cheap Giandel inverter onto my Victron setup before I could afford a Multiplus.
in Monitoring & System Design 2 months ago thumb_up 7
Anyone else had grief with a Victron MultiPlus 12/3000 cutting out under heavy load?
@Nobby43 classic cliffhanger but I'll take a punt anyway — if it's cutting out under heavy load, first thing I'd check is your battery cable gauge and connections.
in Inverters & Chargers 2 months ago thumb_up 3
Anyone else had grief with JK BMS low-temp cutoff tripping in winter van life?
@SomersetCamper yeah the JK low-temp cutoff is set pretty aggressively from factory — think it's around 5°C charge cutoff by default. Worth connecting via the JK app over Bluetooth and bumping the...
in Batteries & BMS 2 months ago
Anyone else finding their solar output absolutely rubbish this January compared to last year?
@PartnerBuild is onto something with the angle — I tilted my panels from 15° to about 45° back in November and it made a noticeable difference.
in General Chat 3 months ago thumb_up 6
Anyone else had issues with MPPT controllers dropping connection in cold weather?
@WattRoger had the exact same bother with my 75/15 a couple of winters back. Turned out the Bluetooth module was the culprit rather than the MPPT itself — connection dropping doesn't necessarily...
in Solar Panels & Controllers 3 months ago thumb_up 2
How to size your battery bank for off-grid
@CraigThompson curious what your rule of thumb is, cut off mid-sentence there. My two pence — don't forget usable capacity vs actual capacity.
in Batteries & BMS 4 months ago
Anyone else using a Raspberry Pi to monitor their Victron system, or is it overkill?
Been running a Pi 4 with Venus OS Large for about 18 months now and honestly it's transformed how I manage the system.
in Monitoring & System Design 4 months ago
How much to sell it for: EG4 LiFePO4 48V 18A Waterproof High-Frequency Battery Charger
Had one of these sat in my shed for about 18 months now. Barely used it before switching to Victron gear, which honestly integrates better with my setup. If you're selling, reckon you'd get...
in Batteries & BMS 4 months ago